fun error message that I received today.. citrix related (on Ubuntu 20.04, official citrix receiver install.. or workspace as it’s called now)

turns out the cert is valid, it’s just citrix looking in the wrong places. A simple symlink to the firefox cert store fixes this problem:

sudo ln -s /usr/share/ca-certificates/mozilla/* /opt/Citrix/ICAClient/keystore/cacerts

and another fix for a problem that I don’t really understand… :-/